Home / 79,226.19-109,318.26-45,219.15

Finding the Fourth Proportional to 79,226.19, 109,318.26 and 45,219.15

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Solution

The fourth proportional to 79,226.19, 109,318.26 and 45,219.15 is: 62,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,226.19 : 109,318.26 = 45,219.15 : x
  2. Step 2: Convert to fraction form
    79,226.19/109,318.26 = 45,219.15/x
  3. Step 3: Cross multiply
    79,226.19x = 109,318.26 × 45,219.15
  4. Step 4: Simplify right side
    79,226.19x = 4,943,278,796.68
  5. Step 5: Solve for x
    x = 4,943,278,796.68/79,226.19
  6. Step 6: Final answer
    x = 62,394.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.